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Technical Details
Ndrive HP 10/20/30 User’s Manual
3-2
www.aerotech.com
Table 3-2.
Auxiliary I/O Connector Mating Connector (J205)
Aerotech
Third Party Source
Connector ECK01259
Kycon
K86-AA-26P
Back shell
ECK00600
Cinch DA24658
Screw Locks, Qty. 2
EIZ00294
TRW D-20419-16
All of the external power provided by the Ndrive HP to the user is limited to 500 mAmps
and protected by a re-settable fuse. Should an over-current condition occur, the device
will open to protect against the overload. To reset the device, remove the overload
condition.
Please note, that the inputs and outputs on the Auxiliary
connector (J205), begin with number 8, as shown in
Table 3-1. Inputs and outputs 0 – 7 are present on the
optional –IOPSO card.
3.1.1. Secondary Encoder Channel (J205)
The encoder channel can be used as an input for master/slave operation (handwheel) or
for dual feedback systems or for an encoder input/output for multi-axis laser firing (see
Chap. 4 for more information). The EncoderDivider axis parameter configures the
input/output state of this encoder channel. This interface may not be multiplied by the
MXH option and must be a 5-volt RS-422 line driver encoder. It allows up to an 8 MHz
encoder signal (31 nsec minimum edge separation), producing 32 million counts per
second, after times four (x4) quadrature decoding. See Table 3-2 for the mating
connector part number. The Auxiliary Marker output has a 0.02 us propagation delay
typical, when used as the PSO firing output.
Table 3-3.
Auxiliary Encoder Pin Assignment on Connector J205
Pin #
Label
Description
In/Out/Bi.
1
Auxiliary Sine +
Secondary RS-422 Channel - Sine+
Bidirectional
2
Auxiliary Sine -
Secondary RS-422 Channel - Sine-
Bidirectional
10
Auxiliary
Secondary RS-422 Channel -
Bidirectional
11
Auxiliary Cosine -
Secondary RS-422 Channel - Cosine-
Bidirectional
12
+5 Volt
+5 Volt (500mA. max.)*
Output
19
Auxiliary Marker -
Secondary RS-422 Channel - Mrk+ /
PSO out.
Bidirectional
20
Auxiliary
Secondary RS-422 Channel - Mrk- /
PSO out.
Bidirectional
21
Common (+5 Volt )
Common (+5 Volt User Supply)
-
* Total user +5 V power is limited to 500 mA, by an internal re-settable fuse.
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